Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 445 [Rate centres in NPA 445] [Dial plan for NPA 445]

NXX: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
445-228 A Philadelphia Zone 4 PA WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228      
445-228 0 Philadelphia Zone 4 PA PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2022-02-11   
445-228 1 Philadelphia Zone 4 PA PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228   2022-02-11   
445-228 2 Philadelphia Zone 4 PA FTWSPAFWX2X  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2021-12-13   
445-228 3 Philadelphia Zone 4 PA FTWSPAFWX2X  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2021-12-13   
445-228 4 Philadelphia Zone 4 PA FTWSPAFWX2X  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2021-12-13   
445-228 5 Philadelphia Zone 4 PA FTWSPAFWX2X  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2021-12-13   
445-228 6 Philadelphia Zone 4 PA FTWSPAFWX2X  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2021-12-13   
445-228 7 Philadelphia Zone 4 PA PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228   2022-11-03   
445-228 8 Philadelphia Zone 4 PA WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2021-11-13   
445-228 9 Philadelphia Zone 4 PA WNRTPAAHCMA  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 228   2021-11-13   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.